Separator and conveyer for paper-pulp machinery and other purposes.



A. J. HAUG.

' SEPARATOR AND CONVEYER FOR PAPER PULP MACHINERY AND OTHER PUBPOSES.

APPLICATION FILED OCT. H. 1915:

Patented May 14, 1918.

3 SHEETS-SHEET I.

9. M w, A y

A. I. HAUG.

SEPARATOR AND CONVEYER FOR PAPER PULP MACHINERY AND OTHER PURPOSES.

APPLICATION FILED OCT. II.'I9I5.

Patented May14,1918.

3 SHEETSSHEET 2 m 3 W1 2% E3 M f A. J. HAUG.

SEPARATOR AND CONVEYER FOR PAPER PULP MACHINERY AND OTHER PURPOSES.

APPLICATION FILED OCT. I1. 1915- Patented Mayl l, 1918.

Invemior: din/ion JHau/g. 'yaii M M @J/ g g j fliiga ANTON J. HAUG, OF NAsHUA, NEW HAMPSHIRE, ASSIGNOR TO IMPROVED PAPER MACHINERY COMPANY, 'OF NASHUA, NEW HAMPSHIRE, A CORPORATION OF MAIN E.

SEPARATOR AND CONYEYER FOB. PAPER-PULP MACHINERY AND OTHER PURPOSES.

To all whom it may concern Be it known that I, ANTON J. HAUG, a citizen of the United States, and a resident of Nashua, county of Hillsborough, State of New Hampshire, have invented an Improvement in Separators and Conveyers for Paper-Pulp Machinery and other Purposes, of which the following description, in connection with the accompanying drawings, is a specification, like characters on the drawings representing like parts.

This invention relates to separators and conveyers peculiarly adapted for use in paper pulp machinery, but which may be used in other relations.

In order that the principle of the invention may be readily understood, I have in the accompanying drawings disclosed a single embodiment of my invention and representing two uses to which among others the same may be applied.

In the drawings:

Figure 1 is a plan view of a separator and conveyer embodying my invention and adapted for use in connection with paper pulp machinery;

Fig. 2 is a longitudinal section of the separator and conveyer shown in Fig. 1;

Fig. 3 is a view in vertical transverse section showing the application of my invention to a sewerage filter; and

Fig. 4 is a view partially in plan and partially in horizontal section of the apparatus shown in Fig. 3.

The separator and conveyer herein disclosed is particularly adapted for us in connection with any moving body and particularly with a moving body of a screenlike nature and adapted to receive thereon wet or moistened material, the solid or semisolid portions of which are to be separated and conveyed to some other point. My invention is therefore peculiarly useful in the handling of paper pulp and like materials.

Heretofore so far as, I am aware it has been customary to strip or remove paper pulp from a rotating screen by the use of a suction fan or like device directly connected with a conduit, the entrance whereof is in proximity to the screen, whereby the paper ulp is sucked or drawn through the congait and through the fan or other suction Specification of Letters Patent.

Application filed October 11, 1915.

Patented May 14, 1918.

Serial No. 55,164.

device. This is highly objectionable, resultin in the clogging of the suction device. Such clogging results to a detrimental extent even though a receptacle be provided between the screen and the fan for the purpose of re ceiving, through the action of gravity, the paper pulp. Inasmuch as such receptacle is of necessity directly connected with the fan or other suction device, more or less of the paper pulp is drawn by suction past such receptacle and into the fan. One important object of my invention is to avoid such clogging. Other objects of the invention will be set forth more fully hereinafter.

In Figs. 1 and 2, I have represented one use of my invention wherein the same is employed as a compressed fluid conductor for paper pulp. Therein the rotating screen of a paper pulp apparatus is diagrammatically indicated at 1, it being mounted in any suitable or usual manner for rotation. In operative relation thereto I mount a casin 2 formed of metal or other suitable materia and preferably of substantially the entire length of the screen 1. Th said casing constitutes a conduit and is provided with a relatively narrow throat or entrance 3, here shown as downwardly directed and positioned in proximity to the screen 1, so that it may receive material therefrom. Integrally formed with or suitably attached to the casing 2 is a nozzle or discharge portion 4 of the said conduit, it being preferably of the same length as said casing 2, so as to permit the effective discharge of material therefrom.

The left hand end of the casing 2, viewing Fig. 2, is connected with some suitable source of fluid under pressure, as, for example, compressed air, whereby the air under pressure enters the said casing in the direction of the arrow and is discharged therefrom through the flattened nozzle 4 to any suitable point. If desired and preferably the material may be discharged into some suitable storage receptacle or may be conveyed to some other ortion of the paper machinery for further manipulation.

The throat 3 has formed therewith or is in direct communication with an inner pipe or conduit 5. herein represented as suitably mounted within an inwardly extending portion 6 of said throat. The conduit 5 extends in the same direction as the nozzle i and is preferably flattened and of a Width substantially equaling the length or the screen 1, so that the paper pulp may be readily conveyed therethrough. The said conduit 5 terminates at some suitable point Within the nozzle a.

The throat 3, pipe 5 and nozzle 4: constitute a materials conduit, and the throat or entrance end of the conduit preferably has its Wall which is opposed to the Oll-COl'llll'lg, moistened, semi-solid material, so inclined or related to the materialscarrying surface that the material as delivered to that Wall and diverted from the surface, can be made readily to slide along into the materials conduit.

Preferably there is also provided means for directing against the materials received on the Wall, a high velocity current of air to drive them along the wall and the conduit. llhile this action may be secured in other Ways, herein such provision is had by an ample clearance space between the mouth of the throat and the material on the screen, so that the air has free access to the throat between the material and the lip or lips of the mouth. The high velocity air entering the mouth about its edges under the suction created *ithin the conduit stries the semisolid material delivered to the throat and through its impact against the same forces or impels it along the conduit. It is not essential that the air which creates the suction at the mouth and the pressure at the discharge end of theconduit be forced into the latter at any particular point therein so long as the tan, blower or other source of pressure is external or out of the path 5 the materials and the air pressure directed toward the discharge end to discharge the materials by the force of pressure behind them and at the same time create a drawingin suction eli ect at the mouth of the conduit.

While the air clearance space, if desired, mightv be provided to an equal degree be tween all edges oi the mouth and the material on the screen, preferably the edge of the mouth Which formed he wall on which the material is receiied (the lower edge in is brought into relatively close relation to the screen While there is provided a relative y greater air clearance space between the opposite edge of the mouth and the material on the scr en. this arrangement theanechanical impact of the current of high velocity air drawn in the mouth (is added to the lifting effect of the suction on the pulp or other 1" terial, This air strikesrthe partly lifted semi-solid material as it tends to pile up on the Wall of ti e throat and to drive it along that wall into the conduit. is also added the mechanical or the To this there,

ees es? rotation of the screen which tends to drive the material along the inclined Wall of the throat.

he opposed Wall or the throat on which the material is received constitutes, in effect, stripping means, for in conjunction with the SllCbLOD. and the impact of the air, it acts to receive and divert the layer of moistened material from the screen or other surface, althou h alone and of itself it may, and preteraoly does, have little or no mechanical stripping action, its edge being preferably, though not necessaily, located away from and out of co tact with the t a rials-carrying surface.

in o and l have represented aneling mateother use for n y invention but involving the employment of a sc een adapted to receive the or moistened material. 7

sa d figures. l have represented a dishlilre screen '7 rast upon a shaft 8 having thereon a yiorn Wheel 9 adapted to be driven by a norm il in any suitable manner, not herein necessary more fully to disclose. The said screen T is adapted to receive server-age material t ereon entering through the conduit ii. I hare herein represented the screen i as mounted upon an inclined axis, butn'iy invent-ion is not limited to such construction.

Cciiperating with the upper surface of the disk screen 7 is box or casing 12 of suitable extent, it being shown in Fig. .3 as of a length substantially equaling the radius of the screen '3". T he Said. box or casing 12' is connected by the inletpipe 13 to any suitable source of fluid under pressure and preferably compressed. air. 1 have herein represented the inlet pipe 18 as bifurcated, being connected to the boX or casing l2 at the points i l, 15.

he box or casing l is provided with an in-talre throat 16 positioned in close proximity to the surface of the screen 7 and extending Within the box or casing 12 to suitable po nt, as indicated at l? in Fig. The lJOX or casing 12 constitutin a portion of a main conduit provided with a suitl solid or ,semi-solio material from thescre 1 7 in a manner a logous to f it already set forth in connect n with thel orm of my invention Wn in F l and 2.

ll hile .i have represented my inventions applied to two different uses and While in invention may be employed in other relations, I desire it to be understood tiat it is peculiarly adapted for use in cases where material of a more or less solid nature is designed to be separated from the liquid or where stock is to be saved from waste ma terial. Therefore the invention is peculiarly adapted for use in paper or paper pulp manufacture, and wherein the compressed fluid ductor cooperates with a cylinder rotating through waste material, whereby such ductor draws off the available material and in such manner as if desired to conduct it back to the source of supply. I have not in Figs. 1 and 2 represented the system to which the ductor or separator and conveyer is designed to be connected, inasmuch as the same may be of the usual construction. It is, however, to be understood that the separated material may be conveyed from the discharge nozzle 4 back to the source of supply.

f aving thus described one illustrative embodiment of my invention, I desire it to be understood that although specific terms are employed, they are used in a generic and descriptive sense and not for purposes of limitation, the scope of the invention being set forth in the following claims.

Claims' 1. An apparatus for handling moistened, semi-solid material presenting a traveling surface adapted to receive and carry moistened material, and a separator and conveyer combined therewith for separating material from said surface and conveying the same to a suitable receptacle and comprising a ma terials conduit having an entrance end for the semi-solid material and a discharge end, together with means for discharging fluid under pressure from a suitable external source into said materials conduit toward the discharge end to create a suction at the entrance end and discharge the materials by pressure behind them at the discharge end, said entrance end presenting to the materials-carrying surface an entrance mouth extending transversely the surface for substantially the full extent thereof and having an opposed stripper wall, the edge of which is in close proximity to said surface, said stripper wall being adapted to receive the layer of material as it is lifted from said surface and divert it toward the discharge end of the conduit, there being sufficient clearance between said entrance mouth and the material on the traveling surface to admit of the free entrance of air to said conduit between the material and the mouth to provide for directing against the materials received by the stripper wall a high velocity current of air to drive the same along said wall to the conduit, the entrance end of said conduit being of relatively less cross-sectional area than the discharge end thereof.

2. An apparatus for handling moistened, semi-solid material presenting a traveling surface adapted to receive and carry moistened material, and a separator and conveyer combined therewith for separating material from said surface and conveying the same to a suitable receptacle, and comprising amaterials conduit having an entrance end for the semi-solid material and a discharge end, together with means for discharging fluid under pressure from a suitable external source into said materials conduit toward the discharge end to create a suction at the entrance end and discharge the materials by pressure behind them at the discharge end, said entrance end presenting to the materials-carrying surface an entrance mouth extending transversely the surface and having an opposed stripper wall, the edge of which is in close proximity to said surface, said stripper wall being adapted to receive the layer of material as it is lifted from said surface and divert it toward the discharge end of the conduit, there being sufficient clearance between said entrance mouth and the material on the traveling surface to admit of the free entrance of air to said con duit between the material and the mouth to provide for directing against the materials received by the stripper wall a high velocity current of air to drive the same along said wall to the conduit.

3. An apparatus for handling moistened, semi-solid material, embodying a materialscarrying member adapted to receive and carry the moistened material upon its surface, and a separator and conveyer combined therewith for separating the material from said surface and conveying the same to a suitable receptacle and comprising a mate rials conduit having an entrance end for the semi-solid material and a discharge end, together with means for discharging fluid under pressure from a suitable external source into said materials conduit toward the discharge end to create a suction at the entrance end and discharge the materials by pressure behind them at the discharge end, said entrance end presenting to the mate rials-carrying surface an entrance mouth extending transversely the surface, said mouth having a stripper wall presented to the oncoming material, the edge of which is in close proximity to said surface, and having provision for directing against the materials received by the stripper wall a high velocity current of air to drive the materials along said wall.

4. An apparatus for handling moistened, semi-solid material, embodying a materialscarrying member adapted to receive and carry the moistened material upon its surface, and a separator and conveyer combined therewith for separating the material from said surface and conveying the same to a suitable receptacle and comprising a materials conduit having an entrance end for the semi-solid material and a discharge 2nd tc-- gether with means for discharging fluid under pressure from a suitable source into said materials conduit toward the discharge and to create a suction-at the entrance end and discharge the materials by pressure he, hind them at the discharge end said 011-- trance end presenting to the materials-carrying surface an entrance month extending transversely the surface, said surface and entrance niouth being relatively movable to carving ineniher than the stripper Wall,

whereby successive portions of the material presented to, said entrance mouth may be separated from the surface and COlLYQf-Sd into the mouth and along the opposite Wall of the conduit by the-impact of the high heories of this preheat;v obtained for five cents velocity air entering the clearance space around said mouth and acting against the-' segarated materials.

The combination with a traveling incinher adapted to carrr uoonits snrtace. semi- 7. 1 1 solid rcrial in shoe, form-,ot asnction condnn or moring't material theretrom, said conduit h ring trann'ersel-y said surface and said mouth lining a stripper Wall directed toward said;

snriace and opposed to the'direction of movement of the adjacentsnrface with a 11121tGIiRlS-I'GCQlTl11g edge in closeproxinrity to the surface to divert materialtherefrom away from said innterials-carrying surface than Si id niaterials-receix'ing edge.

in tesuiniony whereof, I have signed n a month extending,

an opposite edge located farther name to this specificationin the presence-' of two subscribing witnesses.

ANTON J. HAUG;

ll' itnesses GEORGE W CLYDE, D. Brennan.

each by addressing the Gommissianer ofmatents, ton, =9. 

